memlimit := ctx.String("memlimit")
		if memlimit == "" {
			memlimit = ctx.GlobalString("memlimit")
		}
		mlimit, err := humanize.ParseBytes(memlimit)
		if err != nil {
			return err
		}
		debug.SetMemoryLimit(int64(mlimit))
	}
	return nil

pkg os/exec, var ErrDot error #43724
pkg regexp/syntax, const ErrNestingDepth = "expression nests too deeply" #51684
pkg regexp/syntax, const ErrNestingDepth ErrorCode #51684
pkg runtime/debug, func SetMemoryLimit(int64) int64 #48409
pkg sort, func Find(int, func(int) int) (int, bool) #50340
pkg sync/atomic, method (*Bool) CompareAndSwap(bool, bool) bool #50860
pkg sync/atomic, method (*Bool) Load() bool #50860